<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">This chapter of the SRND should be a good read for you.<div><br></div><div><a href="http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/8x/trunks.html#wp1126551">http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/8x/trunks.html#wp1126551</a></div><div><br><div apple-content-edited="true">
<div style="font-family: Helvetica; ">-Ryan</div>
</div>
<br><div><div>On Dec 8, 2011, at 1:44 PM, Dennis Heim wrote:</div><br class="Apple-interchange-newline"><span class="Apple-style-span" style="border-collapse: separate; font-family: 'Lucida Grande'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div lang="EN-US" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I think the goal is ultimately end to end sip anymore. If you have SIP, sccp, etc phones, the interconnect between cm nodes should not matter. The big advantage like Matthew said is the ability to propagate presence information between clusters.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">If you have numerous clusters, then it probably deserves a conversation of Callmanager SME in between all your clusters to simplify your design at each cluster.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); ">Dennis Heim<br>Senior Engineer (Unified Communications)<br>CDW Advanced Technology Services<br>10610 9<sup>th</sup><span class="Apple-converted-space"> </span>Place<br>Bellevue, WA 98004<br><br></span><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); ">425.310.5299 Single Number Reach (WA)</span><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); "><o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); ">317.569.4255 Single Number Reach (IN)</span><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); "><br>317.569.4201 Fax</span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><span class="Apple-converted-space"> </span><br><a href="mailto:dennis.heim@cdw.com" style="color: blue; text-decoration: underline; "><span style="font-size: 10pt; ">dennis.heim@cdw.com</span></a></span><u><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: blue; "><br></span></u><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><a href="http://www.cdw.com/content/solutions/unified-communications/" style="color: blue; text-decoration: underline; ">cdw.com/content/solutions/unified-communications/</a><o:p></o:p></span></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></div><div><div style="border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; border-top-style: solid; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding-top: 3pt; padding-right: 0in; padding-bottom: 0in; padding-left: 0in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span><a href="mailto:cisco-voip-bounces@puck.nether.net">cisco-voip-bounces@puck.nether.net</a> [mailto:cisco-voip-bounces@puck.nether.net]<span class="Apple-converted-space"> </span><b>On Behalf Of</b>Matthew Loraditch<br><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, December 08, 2011 7:00 AM<br><b>To:</b><span class="Apple-converted-space"> </span>davidytk; <a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>; <a href="mailto:ccielab@groupstudy.com">ccielab@groupstudy.com</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [cisco-voip] CUCM trunk connection<o:p></o:p></span></div></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I have used SIP for intercluster in the past as it allowed presence information to be shared. I think that answers 1 and 2, not sure about 3.<o:p></o:p></span></div><div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 10pt; font-family: Arial, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: black; ">Matthew Loraditch, CCVP, CCNA, CCDA</span></b><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: black; "><br>1965 Greenspring Drive<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: black; ">Timonium, MD 21093<span class="Apple-converted-space"> </span><br><a href="mailto:support@heliontechnologies.com" style="color: blue; text-decoration: underline; "><span style="color: black; ">support@heliontechnologies.com</span></a><br>(p) (410) 252-8830<br>(F) (443) 541-1593<br><br>Visit us at<span class="Apple-converted-space"> </span><a href="http://www.heliontechnologies.com/" style="color: blue; text-decoration: underline; "><span style="color: black; ">www.heliontechnologies.com</span></a><span class="Apple-converted-space"> </span><br>Support Issue? Email<span class="Apple-converted-space"> </span><a href="mailto:support@heliontechnologies.com" style="color: blue; text-decoration: underline; "><span style="color: black; ">support@heliontechnologies.com</span></a><span class="Apple-converted-space"> </span>for fast assistance!</span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p></o:p></span></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><o:p> </o:p></span></div><div><div style="border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; border-top-style: solid; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding-top: 3pt; padding-right: 0in; padding-bottom: 0in; padding-left: 0in; "><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span><a href="mailto:cisco-voip-bounces@puck.nether.net" style="color: blue; text-decoration: underline; ">cisco-voip-bounces@puck.nether.net</a><span class="Apple-converted-space"> </span><a href="mailto:[mailto:cisco-voip-bounces@puck.nether.net]" style="color: blue; text-decoration: underline; ">[mailto:cisco-voip-bounces@puck.nether.net]</a><span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>davidytk<br><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, December 08, 2011 9:26 AM<br><b>To:</b><span class="Apple-converted-space"> </span><a href="mailto:cisco-voip@puck.nether.net" style="color: blue; text-decoration: underline; ">cisco-voip@puck.nether.net</a>;<span class="Apple-converted-space"> </span><a href="mailto:ccielab@groupstudy.com" style="color: blue; text-decoration: underline; ">ccielab@groupstudy.com</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>[cisco-voip] CUCM trunk connection<o:p></o:p></span></div></div></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; ">Hi All<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; ">For CUCM cluster interconnection, we also use inter-cluster trunk on the CUCM.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; ">For my client standard, they use SIP trunk for the CUCM cluster inter-connection. I have some question about this design.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 24pt; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -24pt; "><span style="font-size: 9pt; font-family: Arial, sans-serif; "><span>1.<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span></span><span style="font-size: 9pt; font-family: Arial, sans-serif; ">Is it possible to use SIP trunk to the CUCM interconnection.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 24pt; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -24pt; "><span style="font-size: 9pt; font-family: Arial, sans-serif; "><span>2.<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span></span><span style="font-size: 9pt; font-family: Arial, sans-serif; ">If the design is correct, what is the advantage for using SIP trunk instead of inter-cluster trunk.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 24pt; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; text-indent: -24pt; "><span style="font-size: 9pt; font-family: Arial, sans-serif; "><span>3.<span style="font: normal normal normal 7pt/normal 'Times New Roman'; "> <span class="Apple-converted-space"> </span></span></span></span><span style="font-size: 9pt; font-family: Arial, sans-serif; ">As my client has Cisco SIP phone, is it the reason they need SIP trunk to the CUCM interconnection.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; ">Thanks<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; ">Best Regards<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 9pt; font-family: Arial, sans-serif; ">David<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span><br><br>__________ Information from ESET NOD32 Antivirus, version of virus signature database 6694 (20111208) __________<br><br>The message was checked by ESET NOD32 Antivirus.<br><br><a href="http://www.eset.com/" style="color: blue; text-decoration: underline; ">http://www.eset.com</a><o:p></o:p></span></div></div>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>https://puck.nether.net/mailman/listinfo/cisco-voip</div></span></div><br></div></body></html>